MRCOOL® 10kW Heat Kit for Signature Series R-454B Multiposition Air Handlers, MCAEHFD10X1AA

Product Description 

 

MRCOOL® Signature Series 10kW Electric Heat Kit (R-454B)

The MRCOOL® Signature Series 10kW Heat Kit is the highest-capacity auxiliary heat option available for MRCOOL Signature Series R-454B multi-position air handlers. Built for cold climates, larger homes, and high-demand systems, this electric heat kit delivers strong, reliable backup heat when outdoor temperatures drop beyond the comfort range of a standard heat pump.

With 10,000 watts of electric heating output, this kit is ideal for homeowners who want maximum peace of mind during winter storms, extended cold snaps, or emergency heat scenarios. It integrates directly into compatible MRCOOL Signature Series air handlers, maintaining proper airflow, electrical protection, and factory-approved system operation.

The unit is engineered specifically for R-454B systems, ensuring correct performance without modifications or compatibility issues. Installation is straightforward for licensed HVAC professionals and is commonly added during new installs, system upgrades, or when additional cold-weather performance is required.

If you’re building a system for true winter reliability, the MRCOOL® 10kW Heat Kit provides the strongest electric backup heat option in the Signature Series lineup.

 

 

COMPATIBILITY

✔ MRCOOL® Signature Series R-454B Multi-Position Air Handlers

✔ Factory-approved auxiliary / emergency heat solution

✔ Designed for high-demand and cold-climate applications

 

⚠️ Not compatible with non-Signature Series or non-R-454B air handlers.

 

TECHNICAL SPECIFICATIONS  

Brand: MRCOOL

Series: Signature Series

Model: MCAEHFD10X1AA

Unit Type: Electric Heat Kit

 

Heating Capacity: 10kW

Application: Auxiliary / Emergency Heat

 

Compatible Refrigerant: R-454B

Designed For: Signature Series Multi-Position Air Handlers

 

SHIPPING DIMENSIONS

Gross Dimensions:

• Width: 10.38”

• Depth: 14.13”

• Height: 9.25”

 

Frequently Asked Questions 

When should I choose a 10kW heat kit?

A 10kW heat kit is recommended for cold climates, larger homes, or systems where maximum emergency heat is required.

Is this required for my MRCOOL system?

No. Heat kits are optional, but strongly recommended for homeowners who want reliable backup heat during extreme cold or power demand events.

What air handlers is this compatible with?

Only MRCOOL Signature Series R-454B multi-position air handlers.

Who should install this heat kit?

Installation should be performed by a licensed HVAC professional due to electrical requirements.

Will this increase my electric usage?

Electric heat kits draw more power when operating, but they only run when needed—typically during extreme cold or emergency heating situations.

 

Why Buy From MRCOOL DIRECT?

When you order from MRCOOL Direct, you get:

• ✅ Authorized MRCOOL® dealer – Your warranty is protected
• ✅ Factory-fresh units – No refurbished or mystery sources
• ✅ Fast U.S. shipping – Most in-stock items ship in 1–3 business days
• ✅ Financing options – Make high-efficiency comfort more affordable
• ✅ Real product support – Help with sizing, line set selection, and DIY questions
• ✅ No third-party marketplace middlemen – Just genuine MRCOOL® systems from a trusted MRCOOL® dealer.

BUY DIRECT!

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